packages2install: update help

check_packages2install

@@ -24,10 +24,12 @@
 # 2022-06-07  v1.10 <axel.hahn@iml.unibe.ch> fix iPkg2Update on empty package list
 #                                            rename package manager functions
 # 2022-10-21  v1.11 <axel.hahn@unibe.ch>     remove grep: warning: stray \ before white space
+# 2023-08-24  v1.12 <axel.hahn@unibe.ch>     update help
 # ======================================================================
 
 
-. $( dirname "$0" )/inc_pluginfunctions
+. $(dirname $0)/inc_pluginfunctions
+self_APPVERSION=1.12
 
 readonly iWarnDefault=1
 readonly iCriticalDefault=200
@@ -82,14 +84,7 @@ function showHelp(){
     local _self
     _self=$(basename $0)
 cat <<EOF
-______________________________________________________________________
-
-CHECK PACKAGES TO INSTALL
-Get packages that must be updated on this system
-
-(c) Institute for Medical Education - University of Bern
-Licence: GNU GPL 3
-______________________________________________________________________
+$( ph.showImlHelpHeader )
 
 Get packages that must be updated on this system and show found 
 packages in groups.
@@ -109,6 +104,8 @@ given warn level.
 
 On CentOS it switches to ERROR if a critcal update was found.
 
+The check supports performance data.
+
 Tested operating systems:
 - Centos
 - Debian